BoardCAD is an easy to use CAD/CAM-program that allows you to quickly design your own surfboards. It is written in Java and can export STEP-files for compatibility with other CAD-systems, and g-code for CNC machines.

A network access control (NAC) system featuring a captive-portal for registration and remediation, wired and wireless management, 802.1X support, isolation of devices, integration with IDS; it can be used to secure networks from small to large.
Source code is hosted here: https://github.com/inverse-inc/packetfence
Issue tracker tracker is hosted here: http://www.packetfence.org/bugs/